NGC 4839
| Galaxy NGC 4839 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 57 m 24.3 s |
| declination | + 27 ° 29 ′ 52 ″ |
| Appearance | |
| Morphological type | cD; SA0 |
| Brightness (visual) | 12.0 mag |
| Brightness (B-band) | 13.0 likes |
| Angular expansion | 4 ′ × 1.9 ′ |
| Position angle | 65 ° |
| Surface brightness | 14.3 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 1656 |
| Redshift | 0.024557 +/- 0.000039 |
| Radial velocity | 7362 +/- 12 km / s |
|
Stroke distance v rad / H 0 |
(329 ± 23) x 10 6 ly (101.0 ± 7.1) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 11, 1785 |
| Catalog names | |
| NGC 4839 • UGC 8070 • PGC 44298 • CGCG 160-039 • MCG + 05-31-025 • GC 3333 • H II 386 • h 1494 • LDCE 0926 NED030 | |
NGC 4839 is a 12.0 mag bright elliptical galaxy (and at the same time a radio galaxy ) of the Hubble type E5 in the constellation Haar der Berenike , which is about 329 million light years away from the Milky Way.
It was discovered on April 11, 1785 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "F, pL".